-7=-d+9/2

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Solution for -7=-d+9/2 equation: 



-7=-d+9/2

We move all terms to the left:

-7-(-d+9/2)=0

We add all the numbers together, and all the variables

-(-1d+9/2)-7=0

We get rid of parentheses

1d-7-9/2=0

We multiply all the terms by the denominator


1d*2-9-7*2=0

We add all the numbers together, and all the variables

1d*2-23=0

Wy multiply elements

2d-23=0

We move all terms containing d to the left, all other terms to the right

2d=23

d=23/2

d=11+1/2

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